Home / 19,358.11-26,712.66-10,859.10

Finding the Fourth Proportional to 19,358.11, 26,712.66 and 10,859.10

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Solution

The fourth proportional to 19,358.11, 26,712.66 and 10,859.10 is: 14,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.11 : 26,712.66 = 10,859.10 : x
  2. Step 2: Convert to fraction form
    19,358.11/26,712.66 = 10,859.10/x
  3. Step 3: Cross multiply
    19,358.11x = 26,712.66 × 10,859.10
  4. Step 4: Simplify right side
    19,358.11x = 290,075,446.21
  5. Step 5: Solve for x
    x = 290,075,446.21/19,358.11
  6. Step 6: Final answer
    x = 14,984.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.